winex11.drv: Simulate pressing Alt+F4 instead of clicking the caption Close button when handling the WM_DELETE_WINDOW event.

[Dmitry Timoshkov]

This fixes Firefox (bug 20389) which removes all mouse client messages in
its message loop so that they don't have a chance of reaching DefWindowProc.
---
 dlls/winex11.drv/event.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/dlls/winex11.drv/event.c b/dlls/winex11.drv/event.c
index da45fe2..5bb1ecf 100644
--- a/dlls/winex11.drv/event.c
+++ b/dlls/winex11.drv/event.c
@@ -522,7 +522,6 @@ static void handle_wm_protocols( HWND hwnd, XClientMessageEvent *event )
         if (IsWindowEnabled(hwnd))
         {
             HMENU hSysMenu;
-            POINT pt;
 
             if (GetClassLongW(hwnd, GCL_STYLE) & CS_NOCLOSE) return;
             hSysMenu = GetSystemMenu(hwnd, FALSE);
@@ -553,10 +552,12 @@ static void handle_wm_protocols( HWND hwnd, XClientMessageEvent *event )
                         break;
                 }
             }
-            /* Simulate clicking the caption Close button */
-            GetCursorPos( &pt );
-            PostMessageW( hwnd, WM_NCLBUTTONDOWN, HTCLOSE, MAKELPARAM( pt.x, pt.y ) );
-            PostMessageW( hwnd, WM_LBUTTONUP, HTCLOSE, MAKELPARAM( pt.x, pt.y ) );
+
+            /* Simulate pressing Alt+F4 */
+            keybd_event(VK_MENU, 0, 0, 0);
+            keybd_event(VK_F4, 0, 0, 0);
+            keybd_event(VK_F4, 0, KEYEVENTF_KEYUP, 0);
+            keybd_event(VK_MENU, 0, KEYEVENTF_KEYUP, 0);
         }
     }
     else if (protocol == x11drv_atom(WM_TAKE_FOCUS))
-- 
1.7.0.2